Piggin
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A 'piggin' is the name given to a very small pail or wooden drinking vessel in some parts of the English North and Midlands, and a 'Piggin Bottom' is recorded as "a spiced cake made in small tins" in Wright's 'The English dialect dictionary of 1905. Daniel Scott's 'Bygone Cumberland and Westmorland' says that...
"Oatmeal also entered into the composition of pie-crusts and gingerbread like the famous Kendal "piggin bottoms" - snaps stamped out of rolled dough by the iron rim which formed the external base of the wooden "piggin" or "biggin", a diminutive wooden tub used as a recepticle for various household requisites"